| Registration / Serial: | Not known |
| Aircraft Original Type: | NVI FK.31 |
| Aircraft Generic Type: | NVI FK.31 |
| Aircraft Version: | NVI FK.34 |
| C/n (msn): | Not known |
| City / Area: | Marsdiep / Off-Den Helder [ Off-Airport ]Map (vicinity) |
| Country: | Netherlands |
| Photo Date: | 24 June 1926 |
| Photo from: | Peter de Jong CollectionContact |
| Photo ID: | 466906Submit Correction |
| View count: | 314 |
Frits Koolhoven's FK.34 thinking it's a submarine. This was a seaplane conversion of an FK.31, possibly H-NACF (c/n 211). A second demonstration ended similarly with a leaking float and the Dutch navy lost its interest. Photo from: Johannes Kaauw / Pabo collection
| Registration / Serial: | Not known |
| Aircraft Version: | NVI FK.34 |
| C/n (msn): | Not known |
| City / Area: | Marsdiep / Off-Den Helder [ Off-Airport ]Map (vicinity) | Country: | Netherlands |
| Photo Date: | 24 June 1926 |
| Photo from: | Peter de Jong CollectionContact |
| Registration / Serial: | Not known |
| Aircraft Original Type: | NVI FK.31 |
| Aircraft Generic Type: | NVI FK.31 |
| Aircraft Version: | NVI FK.34 |
| C/n (msn): | Not known |
| City / Area: | Marsdiep / Off-Den Helder [ Off-Airport ]Map (vicinity) |
| Country: | Netherlands |
| Photo Date: | 24 June 1926 |
| Photo from: | Peter de Jong CollectionContact |
| Photo ID: | 466906Submit Correction |
| View count: | 314 |
Frits Koolhoven's FK.34 thinking it's a submarine. This was a seaplane conversion of an FK.31, possibly H-NACF (c/n 211). A second demonstration ended similarly with a leaking float and the Dutch navy lost its interest. Photo from: Johannes Kaauw / Pabo collection
| Registration / Serial: | Not known |
| Aircraft Version: | NVI FK.34 |
| C/n (msn): | Not known |
| City / Area: | Marsdiep / Off-Den Helder [ Off-Airport ]Map (vicinity) | Country: | Netherlands |
| Photo Date: | 24 June 1926 |
| Photo from: | Peter de Jong CollectionContact |